Games like Civilization 3. 21 Similar Games.

1. Sid Meier's Civilization (1991)
2. Civilization 2 Gold (1996)  
3. Civilization 2: Test of Time. (1999)  
4. Call to Power 2 Civilization  (2000) 
5. Civilization 3: Play the World. (2002) 
6. Civilization 3: Conquests. (2003) 
7. Civilization 4. (2005)
8. Civilization 5. (2010)  
9. Civilization: Beyond Earth. (2014) 
10. Free Civilization. (2013 -2015)
11. Free Colonization. (2002 - 2015)
12. Colonization. (1994)
13. Civilization 4: Colonization. (2008)
14. Civilization 4: Dune Wars. (2009)
15. Civilization 4: Planetfall Mod (2006)
16. Galactic Civilizations 2. (2006)
17. Sid Meier's Alpha Centauri. (1999) 
18. Pandora: First Contact. (2014)
19. Warlock: Master of the Arcane. (2012)
20. Elemental: War of Magic. (2010)
21. Master of Magic. (2014)